perf: Tab 容器组件优化

- TabPanelContainer: Loading 颜色改为金色 #D4AF37，与黑金主题一致
- SubTabContainer: 添加 memo 和 displayName
- 子 Tab 组件: StrategyTab/BusinessTab/ValueChainTab/DevelopmentTab 添加 memo 和 displayName
- TabContainer: 移除未使用的 showDivider 参数

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/components/TabContainer/index.tsx

@@ -54,7 +54,6 @@ const TabContainer: React.FC<TabContainerProps> = ({
   themeColors: customThemeColors,
   isLazy = DEFAULT_CONFIG.isLazy,
   size = DEFAULT_CONFIG.size,
-  showDivider = DEFAULT_CONFIG.showDivider,
   borderRadius = DEFAULT_CONFIG.borderRadius,
   shadow = DEFAULT_CONFIG.shadow,
   panelPadding = DEFAULT_CONFIG.panelPadding,